// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* Available commands.
*/
export enum SwitchAccessCommand {
NEXT = 'next',
PREVIOUS = 'previous',
SELECT = 'select',
}
/**
* Maps an action to its pref name.
*/
export const actionToPref: {[key in SwitchAccessCommand]: string} = {
select: 'settings.a11y.switch_access.select.device_key_codes',
next: 'settings.a11y.switch_access.next.device_key_codes',
previous: 'settings.a11y.switch_access.previous.device_key_codes',
};
/**
* The pref name for whether auto-scan is enabled.
*/
export const AUTO_SCAN_ENABLED_PREF =
'settings.a11y.switch_access.auto_scan.enabled';
/**
* The pref name for the auto-scan speed.
*/
export const AUTO_SCAN_SPEED_PREF =
'settings.a11y.switch_access.auto_scan.speed_ms';
/**
* The pref name for the auto-scan speed specific to the onscreen keyboard.
*/
export const AUTO_SCAN_KEYBOARD_SPEED_PREF =
'settings.a11y.switch_access.auto_scan.keyboard.speed_ms';
/**
* The values that the auto-scan speed slider can have, in ms.
*/
export const AUTO_SCAN_SPEED_RANGE_MS: number[] = [
4000, 3900, 3800, 3700, 3600, 3500, 3400, 3300, 3200, 3100, 3000, 2900,
2800, 2700, 2600, 2500, 2400, 2300, 2200, 2100, 2000, 1900, 1800, 1700,
1600, 1500, 1400, 1300, 1200, 1100, 1000, 900, 800, 700,
];
/**
* The default auto-scan value, in ms.
*/
export const DEFAULT_AUTO_SCAN_SPEED_MS = 1800;
/**
* Contexts the assignment pane can be located in.
*/
export enum AssignmentContext {
DIALOG = 'dialog',
SETUP_GUIDE = 'setupGuide',
}
/**
* Possible device types for Switch Access.
*/
export enum SwitchAccessDeviceType {
INTERNAL = 'internal',
USB = 'usb',
BLUETOOTH = 'bluetooth',
UNKNOWN = 'unknown',
}